Logical Problems - Logical Reasoning Questions and Answers

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Fact 1:	Jessica has four children
Fact 2:	Two of the children have blue eyes and two of the children have brown eyes.
Fact 3:	Half of the children are girls.

If the first three statements are facts, which of the following statements must also be a fact?

I:	At least one girl has blue eyes.
II:	Two of the children are boys.
III:	The boys have brown eyes.

I only

II only

II and III only

None of the statements is a known fact.

Answer : Option B

Explanation :

Since one-half of the four children are girls, two must be boys. It is not clear which children have blue or brown eyes.

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